Production of ethyl cellulose-compatible phenol-modified hydroca

Details Production of ethyl cellulose-compatible phenol-modified hydroca Production of ethyl cellulose-compatible phenol-modified hydroca

1974-12-12

1976-11-23

Schofer, Joseph L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 62, 106191, 260DIG38, C09D 1110, C08F 3206

Patent

active

039936260

ABSTRACT:
Ethyl cellulose-compatible phenol-modified hydrocarbon resins are produced by polymerizing a reaction mixture containing indene, vinyl toluene, and dicyclopentadiene as the essential polymerizable constituents in the presence of a phenol compound and a Friedel-Crafts type catalyst such as boron trifluoride phenol complex. The phenol-modified hydrocarbon resin has a ring and ball softening point of above about 120.degree. C, a solution viscosity (Gardner-Holdt, sec.) of between about 0.7 and about 15, a hydroxyl number of above about 10, and is ethyl hydroxyethyl cellulose compatible as well as ethyl cellulose compatible. Thus, these resins are particularly useful as replacements for rosin and rosin derivatives in rotogravure printing ink.

REFERENCES:
patent: 3645970 (1972-02-01), Kleiner
patent: 3649705 (1972-03-01), Waranius
Chemical Abstracts - vol. 79, 1973; - Entry No. 55064K.

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